一般现在时.ppt.ppt

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1、外研社英语(新标准)(三年级起始用）第八册,执教教师:大黑小学 敦冬雪,2007年5月8日,review,一般现在时,一般现在时表示经常或习惯性的动作，也可表示现在的状态或主语具备的性格和能力。,一般现在时（肯定句）,在一般现在时中，句中有be动词或情态动词（can等）时，be动词要随主语而相应改变，情态动词不变。,例如,一般现在时（肯定句）,1、I am a teacher.2、He is a student.3、You are a boy.4、I can swim.,一般现在时（肯定句）,没有be动词和情态动词，主语为第三人称单数的肯定句，动词要按规则加上s或es，主语是非第三人称单数的肯

2、定句，动词用原形。,例如,一般现在时（肯定句）,1、I to school by bus.2、He to school by bus.3、She up at six.,go,goes,gets,动词+s的变化规则 1一般情况下，直接加-s，如：stop-stops,come-comes 2 以s.x.sh.ch.o结尾，加-es，如：do-does,wash-washes,watch-watches,go-goes 3以“辅音字母+y”结尾，变y为i,再加-es，如：study-studies,一般现在时（否定句）,在一般现在时中，句中有be动词或情态动词（can等）时，否定句在be动词和情态

3、动词后加not。,例如,一般现在时（否定句）,1、I am a teacher.否：I am not a teacher.2、He is a student.否：He is not a student.3、You are a boy.否：You are not a boy.4、I can swim.否：I can not（cant)swim.,变否定句,I am a good boy.,I am not a good boy.,变否定句,He is at school.,He is not at school.,变否定句,They are students.,They are not stud

4、ents.,变否定句,She can send an Email.,She cant send an Email.,一般现在时（否定句）,句中没有be动词或情态动词时，主语为第三人称单数的否定句在动词前加does not(doesnt)非单三时，否定句在动词前加do not（dont),例如,一般现在时（否定句）,1、I to school by bus.否：I to school by bus.2、He to school by bus.否：He to school by bus.,go,dont go,goes,doesnt go,变否定句,I want a hamburger.,I do

5、nt want a hamburger.,变否定句,She speaks English well.,She doesnt speak English well.,一般现在时（疑问句）,句中有be动词或情态动词时，be动词或情态动词can提前，首字母变为大写；some 变any,例如,一般现在时（一般疑问句）,He is a student.You are a boy.Is he a student？Are you a boy？I can swim.I am a teacher.Can you swim？Am I a teacher？,Daming is my friend.,Is Damin

6、g your friend？,变一般疑问句,I am in the classroom.,Am I in the classroom？,变一般疑问句,还可以改成：Are you,Daming can play football.,Can Daming play football？,变一般疑问句,We are good friends.,Are we good friends？,变一般疑问句,还可以变成：Are you,一般现在时（疑问句）,句中没有be动词或情态动词时，主语为非第三人称单数，一般疑问句在句首加do，句子中动词用原形。主语为第三人称单数，一般疑问句在句首加does，句子中原有动词

7、用原形；Some变any.,例如,一般现在时（一般疑问句）,1、I to school by bus.疑问句：you to school by bus.2、He to school by bus.疑问句：he to school by bus.,Does,go,goes,go,go,Do,We have lunch at 12：00.,Do we have lunch at 12：00？,变一般疑问句,还可以变成：Do you,I want a hot dog.,Do you want a hot dog？,变一般疑问句,还可以变成：Do I,Amy wants some chicken.,D

8、oes Amy want any chicken？,变一般疑问句,特殊疑问句,时间：when 地点：where人：who 物：what状态：how 年龄：how old价钱：how much 数量：how many,特殊疑问句,有be动词或情态动词构成：疑问词+be动词或情态动词+主语+其它,例如,特殊疑问句,She can speak English.What can she speak？He is ten.How old is he？He is at home.Where is he？Its 3 dollars.How much is it?,特殊疑问句,没有be动词或情态动词构成：疑问词

9、+do（does）+主语+动词原形+其它,例如,特殊疑问句（时间）,He goes to school at seven.When does he go to school？,单数第三人称：,非单数第三人称：,I go to school at six.When do you go to school？,特殊疑问句（地点）,He has lunch at school.Where does he have lunch？,单数第三人称：,非单数第三人称：,Children have lunch at school.Where do children have lunch？,特殊疑问句（状态）,H

10、e goes to school by bus.How does he go to school？,单数第三人称：,非单数第三人称：,We go to school by bus.How do we go to school？,变特殊疑问句,We go home at four.,When do we go home？,变特殊疑问句,Lingling has dinner at home.,Where does Linging have dinner？,变特殊疑问句,I am thirteen.,How old are you？,变特殊疑问句,She is in the park.,Where is she？,变特殊疑问句,I want a cola.,What do you want？,变特殊疑问句,Its thirteen dollars.,How much is it？,变成否定句和一般疑问句特殊疑问句,1、I go home by bike.2、He goes to school by bus.3、She gets up at six.4、She can speak English.5、He is ten.6、He is at home.7、Its 3 dollars.,Thank you!,byebye!,